CVE-2026-49309: CWE-264 Permissions, Privileges, and Access Controls in Huawei HarmonyOS
Description
Permission control vulnerability in the Settings module. Impact: Successful exploitation of this vulnerability may affect service confidentiality.
CVSS v3.1
4.8medium
Affected software
Huawei
HarmonyOS
Huawei
EMUI
pkg:github/huawei/harmonyosRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Huawei HarmonyOS involves improper permission controls within the Settings module, classified under CWE-264 (Permissions, Privileges, and Access Controls). Exploiting this flaw could lead to unauthorized access affecting the confidentiality of services. The issue affects multiple specific versions of HarmonyOS as listed. The CVSS vector indicates that the attack requires physical access (AV:P), high attack complexity (AC:H), no privileges (PR:N), and user interaction (UI:R), with a scope change (S:C) and high confidentiality impact (C:H) but no impact on integrity or availability. There is no known exploit in the wild and no vendor-provided patch or remediation level at this time.
Potential Impact
Successful exploitation may lead to a breach of service confidentiality within the affected HarmonyOS versions. There is no indication of impact on integrity or availability. The vulnerability requires physical access and user interaction, limiting the ease of exploitation.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary mitigation has been provided by Huawei as of the published date. Users should monitor Huawei's advisories for updates.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- huawei
- Date Reserved
- 05/29/2026
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aa0db9eacd9273b49b1890b
Added to database: 09/09/2026, 04:07:58 UTC
Last enriched: 09/09/2026, 04:22:36 UTC
Last updated: 10/24/2026, 08:45:11 UTC
Views: 127
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